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Suppose X is a random variable defined as final cost of project X = estimated cost of project which has a PDF as follows: x<1 fx (x)={3/x² 1sxsa x>a a. Determine the value of a. b. What is the probability that the final cost of a project will exceed its estimated cost by 25%? c. Determine the mean value and standard deviation of X.

Suppose X is a random variable defined as final cost of project X = estimated cost of project which has a PDF as follows: x<1 fx (x)={3/x² 1sxsa x>a a. Determine the value of a. b. What is the probability that the final cost of a project will exceed its estimated cost by 25%? c. Determine the mean value and standard deviation of X.

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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Suppose X is a random variable defined as final cost of project X = estimated cost of project which has a PDF as follows: [0 x<1 fx (x) ={3/x² 1sxsa x> a a. Determine the value of a. b. What is the probability that the final cost of a project will exceed its estimated cost by 25%? c. Determine the mean value and standard deviation of X.
Transcribed Image Text:Suppose X is a random variable defined as final cost of project X = estimated cost of project which has a PDF as follows: [0 x<1 fx (x) ={3/x² 1sxsa x> a a. Determine the value of a. b. What is the probability that the final cost of a project will exceed its estimated cost by 25%? c. Determine the mean value and standard deviation of X.
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